<!DOCTYPE html>
<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .outer {
            width: 200px;
            height: 200px;
            border: 2px solid black;
            margin: 0 auto;
            margin-top: 100px;
            transform-style: preserve-3d;
            perspective: 500px;
            /* perspective-origin: 102px 102px; */
        }

        .inner {
            width: 200px;
            height: 200px;
            background-color: rgba(0, 191, 255, 0.523);
            /* transform: rotateX(0deg); */
            /* transform: rotateY(0deg); */
            transform: rotate3d(1, 1, 1, 30deg);
        }
    </style>
</head>

<body>
    <div class="outer">
        <div class="inner">
            大泽哥
        </div>
    </div>
</body>

</html>